INSTRUCTION MANUAL
UG30 CONTROL
mP30-UG30 - Rev. 1.5 - Date: 18-03-2004
EN
5 (44)
CHARACTERISTICS
UG30/mP30
is an electronic control for full management of precision air conditioners, for both chilled water (
CW-
CW/S
) and direct expansion (
DX-DX/S
) versions with 1 or 2 compressors.
The control consists of a user interface and a power circuit, both fitted inside a single container.
The display shows the unit’s operating status and main parameters by means of symbols and alphanumeric codes
consisting of one letter and one number:
1, 2
…:
probe
parameters;
r1, r2
…:
adjustment
parameters (e.g. r1 = cooling set-point);
c9, CA
…:
compressor
management parameters;
F9, FA
…:
fan
management parameters;
P1, P2
…:
alarm
management parameters;
H1, H2
…:
general
configuration
parameters.
All control parameters are set in the factory according to the type of unit and configuration; programming is effected
by a hardware key or via a serial line. To change parameters, the operator may use the keyboard on the front panel.
USER
or
FACTORY
parameters are available depending on whether they are accessible to the user or reserved for
authorised personnel.
TECHNICAL SPECIFICATIONS
Power supply :
24 Vac ±15% 50/60 Hz
Maximum absorbed current:
200 mA with 800 mA T (delayed) internal fuse
Transformer power for
UG30/mP30
and digital inputs: 10 VA
Operating conditions:
-10
÷
+54°C with 20-80 non condensating R.H.
Storage conditions:
-10
÷
+70°C with 0-80 non condensating R.H.
Alarms are active when the relevant input is open (not powered)
Input ID1, for remote ON/OFF, powers up the unit when it is itself powered.
